查某雨 (Cha-bó͘-hō͘) (查某雨) 是 (sī)佇 (tī)好天 (hó-thiⁿ)抑是 (ia̍h-sī)出 (chhut)日頭 (ji̍t-thâu)的 (ê)時 (sî)，所 (só͘)發生 (hoat-seng)的落雨 (lo̍h-hō͘)現象 (hiān-siōng).[1]若是 (Nā-sī)日頭照射 (chiò-siā)的角度 (kak-tō͘)有夠 (ū-kàu)低 (kē)，查某雨定定 (tiāⁿ-tiāⁿ)會 (ē)致使 (tì-sú)彩虹 (chhái-khēng)的出現 (chhut-hiān).[1]
